Home / 42,189.12-58,218.66-23,325

Finding the Fourth Proportional to 42,189.12, 58,218.66 and 23,325

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Solution

The fourth proportional to 42,189.12, 58,218.66 and 23,325 is: 32,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,189.12 : 58,218.66 = 23,325 : x
  2. Step 2: Convert to fraction form
    42,189.12/58,218.66 = 23,325/x
  3. Step 3: Cross multiply
    42,189.12x = 58,218.66 × 23,325
  4. Step 4: Simplify right side
    42,189.12x = 1,357,950,244.50
  5. Step 5: Solve for x
    x = 1,357,950,244.50/42,189.12
  6. Step 6: Final answer
    x = 32,187.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.